December weather forecastThatcher, ID
December
Weather in December
December, the first month of the winter in Thatcher, is still a freezing cold month, with temperature in the range of an average low of 11.3°F (-11.5°C) and an average high of 25.7°F (-3.5°C).Temperature
December is the month when Thatcher experiences its coldest temperatures, averaging a high of 25.7°F (-3.5°C) and a low of 11.3°F (-11.5°C).Humidity
The average relative humidity in December in Thatcher is 89%.Rainfall
In December, the rain falls for 4.9 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. In Thatcher, Idaho, during the entire year, the rain falls for 100.3 days and collects up to 15.39" (391mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. In December, it is snowing for 19.9 days. Throughout December, 12.05" (306mm) of snow is accumulated. Throughout the year, there are 106.2 snowfall days, and 69.33" (1761mm) of snow is accumulated.Daylight
The month with the shortest days in Thatcher, Idaho, is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:37 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:04 pm MST.
Sunshine
The average sunshine in December in Thatcher is 4.5h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Thatcher. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 1 in December transforms into this advice:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Thatcher, ID
- Average high temperature in December: 25.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in December: 11.3°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).
Average pressure in December
Thatcher, ID
- Average pressure in December: 30.26"Hg
The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Thatcher, ID
- Average wind speed in December: 4.9mph
The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in December
Thatcher, ID
- Average humidity in December: 89%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).
Average rainfall in December
Thatcher, ID
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in December
Thatcher, ID
- Average rainfall days in December: 4.9 days
The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in December
Thatcher, ID
- Average snowfall in December: 12.05"
The month with the highest snowfall is January (14.41").
The months with the least snowfall are July and August (0").
Average snowfall days in December
Thatcher, ID
- Average snowfall days in December: 19.9 days
The months with the highest number of snowfall days are February and December (19.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in December /
Average sunshine in December
Thatcher, ID
- Average daylight in December: 9h and 6min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 4h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Thatcher, ID
- Average sunshine days in December: 11.1 days
The month with the most sunshine days is July (19.1 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Thatcher, ID
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Thatcher, ID
- Average cloud cover in December: 57
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in December
Thatcher, ID
- Average visibility in December: 4mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January and February (3mi).
